diff --git a/01.md b/01.md
index d32903b9..0e68de5e 100644
--- a/01.md
+++ b/01.md
@@ -22,7 +22,7 @@ The only object type that exists is the `event`, which has the following format
   "kind": <integer>,
   "tags": [
     ["e", <32-bytes hex of the id of another event>, <recommended relay URL>],
-    ["p", <32-bytes hex of the key>, <recommended relay URL>],
+    ["p", <32-bytes hex of a pubkey>, <recommended relay URL>],
     ... // other kinds of tags may be included later
   ],
   "content": <arbitrary string>,